package com.itheima.auth.handle;

import org.codehaus.jettison.json.JSONObject;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 登入ajax请求失败后的处理器
 * */
@Component
public class MyAuthenticationFailureHandler implements AuthenticationFailureHandler {

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        response.setContentType("application/json;charset=UTF-8");
        response.setCharacterEncoding("utf-8");
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("flag",false);
            jsonObject.put("data","");
            jsonObject.put("message","登入失败:" + exception.getMessage());
            response.getWriter().write(jsonObject.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}
